Mathematics, 18.03.2021 02:20, owo73
Task 4: Stellar Distances
Rigil Kent is a main sequence star (G2). Its temperature is measured to be about 5,800 K. If
the apparent magnitude is +1.33, then how far is it from the Earth?
Hint use the Hertzsprung-Russell diagram to find the absolute magnitude of a star with such
characteristics
Answers: 1
Mathematics, 21.06.2019 18:30, zoeatlowapple
An optical inspection system is used to distinguish among different part types. the probability of a correct classification of any part is 0.92. suppose that three parts are inspected and that the classifications are independent. let the random variable x denote the number of parts that are correctly classified. determine the probability mass function of x. round your answers to four decimal places (e. g. 98.7654). x f(x) 0 1 2 3
Answers: 2
Mathematics, 21.06.2019 19:00, Olavarriafamily1
The figures below are made out of circles, semicircles, quarter circles, and a square. find the area and the perimeter of each figure and give your answers as a completely simplified exact value in terms of π (no approximations).
Answers: 1
Mathematics, 21.06.2019 19:00, datands
Acompany that manufactures and sells guitars made changes in their product range. from the start they had 20 models. then they reduced the number of models to 15. as a result, the company enjoyed a 10% increase in turnover. - how much did the stock level change? in (%)
Answers: 2
Mathematics, 22.06.2019 00:50, issacurlyheadka
Solve the problem by using a venn diagram a group of students were surveyed about their taste in music. they were asked how they like three types of music: rock, country western and jazz. the results are summarized below: no one dislikes all three types of music. six like all three types of music. eleven don’t like country western. sixteen like jazz. three like country western and jazz, but not rock. six don’t like rock. eight like rock and country western. seven don’t like jazz. how many students were surveyed?
Answers: 3
Task 4: Stellar Distances
Rigil Kent is a main sequence star (G2). Its temperature is measured to b...
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